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Researches of multiple physics phenomena become more and more important in industry and academy. Fluid Structure Interface (FSI) is one of these multiple phenomena that happen more often than not. During recent years, numerical analyses of FSI were fast in development with the constantly advancing progress of computer technology. MpCCI (Mesh based parallel Code Coupling Interface) is a typical product of FSI. MpCCI has been developed at the Fraunhofer-Institute SCAI in order to provide an application-independent interface for the coupling of different simulation codes. Although FSI includes both flow induced displacement and thermal flow induced thermal stress, latter has received less attention. One of the authors has studied the methods of data transformation between the thermal fluid analysis and thermal stress analysis, and described the advantages and disadvantages of these methods in weak conjugate analysis [1].